mirror of
https://github.com/u-boot/u-boot.git
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bc820d5bcc
add support for the UUU commands ACmd and UCmd.
Enable them through the Kconfig option
CONFIG_FASTBOOT_UUU_SUPPORT
base was commit in NXP kernel
9b149c2a2882: ("MLK-18591-3 android: Add FSL android fastboot support")
and ported it to current mainline. Tested this patch
on imx6ul based board.
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
180 lines
5.0 KiB
C
180 lines
5.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2008 - 2009
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* Windriver, <www.windriver.com>
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* Tom Rix <Tom.Rix@windriver.com>
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*
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* Copyright 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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*
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* Copyright 2014 Linaro, Ltd.
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* Rob Herring <robh@kernel.org>
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*/
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#ifndef _FASTBOOT_H_
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#define _FASTBOOT_H_
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#define FASTBOOT_VERSION "0.4"
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/* The 64 defined bytes plus \0 */
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#define FASTBOOT_COMMAND_LEN (64 + 1)
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#define FASTBOOT_RESPONSE_LEN (64 + 1)
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/**
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* All known commands to fastboot
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*/
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enum {
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FASTBOOT_COMMAND_GETVAR = 0,
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FASTBOOT_COMMAND_DOWNLOAD,
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#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
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FASTBOOT_COMMAND_FLASH,
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FASTBOOT_COMMAND_ERASE,
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#endif
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FASTBOOT_COMMAND_BOOT,
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FASTBOOT_COMMAND_CONTINUE,
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FASTBOOT_COMMAND_REBOOT,
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FASTBOOT_COMMAND_REBOOT_BOOTLOADER,
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FASTBOOT_COMMAND_REBOOT_FASTBOOTD,
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FASTBOOT_COMMAND_REBOOT_RECOVERY,
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FASTBOOT_COMMAND_SET_ACTIVE,
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#if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_FORMAT)
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FASTBOOT_COMMAND_OEM_FORMAT,
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#endif
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#if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_PARTCONF)
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FASTBOOT_COMMAND_OEM_PARTCONF,
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#endif
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#if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_BOOTBUS)
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FASTBOOT_COMMAND_OEM_BOOTBUS,
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#endif
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#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT)
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FASTBOOT_COMMAND_ACMD,
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FASTBOOT_COMMAND_UCMD,
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#endif
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FASTBOOT_COMMAND_COUNT
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};
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/**
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* Reboot reasons
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*/
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enum fastboot_reboot_reason {
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FASTBOOT_REBOOT_REASON_BOOTLOADER,
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FASTBOOT_REBOOT_REASON_FASTBOOTD,
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FASTBOOT_REBOOT_REASON_RECOVERY,
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FASTBOOT_REBOOT_REASONS_COUNT
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};
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/**
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* fastboot_response() - Writes a response of the form "$tag$reason".
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*
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* @tag: The first part of the response
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* @response: Pointer to fastboot response buffer
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* @format: printf style format string
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*/
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void fastboot_response(const char *tag, char *response,
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const char *format, ...)
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__attribute__ ((format (__printf__, 3, 4)));
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/**
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* fastboot_fail() - Write a FAIL response of the form "FAIL$reason".
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*
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* @reason: Pointer to returned reason string
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* @response: Pointer to fastboot response buffer
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*/
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void fastboot_fail(const char *reason, char *response);
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/**
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* fastboot_okay() - Write an OKAY response of the form "OKAY$reason".
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*
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* @reason: Pointer to returned reason string, or NULL to send a bare "OKAY"
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* @response: Pointer to fastboot response buffer
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*/
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void fastboot_okay(const char *reason, char *response);
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/**
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* fastboot_set_reboot_flag() - Set flag to indicate reboot-bootloader
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*
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* Set flag which indicates that we should reboot into the bootloader
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* following the reboot that fastboot executes after this function.
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*
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* This function should be overridden in your board file with one
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* which sets whatever flag your board specific Android bootloader flow
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* requires in order to re-enter the bootloader.
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*/
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int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason);
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/**
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* fastboot_set_progress_callback() - set progress callback
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*
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* @progress: Pointer to progress callback
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*
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* Set a callback which is invoked periodically during long running operations
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* (flash and erase). This can be used (for example) by the UDP transport to
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* send INFO responses to keep the client alive whilst those commands are
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* executing.
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*/
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void fastboot_set_progress_callback(void (*progress)(const char *msg));
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/*
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* fastboot_init() - initialise new fastboot protocol session
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*
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* @buf_addr: Pointer to download buffer, or NULL for default
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* @buf_size: Size of download buffer, or zero for default
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*/
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void fastboot_init(void *buf_addr, u32 buf_size);
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/**
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* fastboot_boot() - Execute fastboot boot command
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*
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* If ${fastboot_bootcmd} is set, run that command to execute the boot
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* process, if that returns, then exit the fastboot server and return
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* control to the caller.
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*
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* Otherwise execute "bootm <fastboot_buf_addr>", if that fails, reset
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* the board.
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*/
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void fastboot_boot(void);
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/**
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* fastboot_handle_command() - Handle fastboot command
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*
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* @cmd_string: Pointer to command string
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* @response: Pointer to fastboot response buffer
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*
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* Return: Executed command, or -1 if not recognized
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*/
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int fastboot_handle_command(char *cmd_string, char *response);
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/**
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* fastboot_data_remaining() - return bytes remaining in current transfer
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*
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* Return: Number of bytes left in the current download
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*/
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u32 fastboot_data_remaining(void);
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/**
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* fastboot_data_download() - Copy image data to fastboot_buf_addr.
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*
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* @fastboot_data: Pointer to received fastboot data
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* @fastboot_data_len: Length of received fastboot data
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* @response: Pointer to fastboot response buffer
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*
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* Copies image data from fastboot_data to fastboot_buf_addr. Writes to
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* response. fastboot_bytes_received is updated to indicate the number
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* of bytes that have been transferred.
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*/
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void fastboot_data_download(const void *fastboot_data,
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unsigned int fastboot_data_len, char *response);
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/**
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* fastboot_data_complete() - Mark current transfer complete
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*
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* @response: Pointer to fastboot response buffer
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*
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* Set image_size and ${filesize} to the total size of the downloaded image.
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*/
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void fastboot_data_complete(char *response);
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#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT)
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void fastboot_acmd_complete(void);
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#endif
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#endif /* _FASTBOOT_H_ */
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